1)x+4x+6x
Add
11x
2) 4(2x+5y)
Open bracket (multiply through with 4)
8x +20y
3) 2x+5+3x+6
Collect like terms
2x+3x+6+5
5x+11
4) 3x+8+2x
3x+2x+8
5x+8
6.3m questions
8.3m answers